Reagent vessel



FIG. 1 is a top perspective view of a reagent vessel showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a side elevational view thereof, opposite that shown in FIG. 4;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is an end elevational view thereof; and

FIG. 8 is an end elevational view thereof, opposite that shown in FIG. 7. 

The ornamental design for a reagent vessel, substantially as shown. 